US3415978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infrared surface cooking unit
Assignee: Motors Liquidation Co
•
Filing: 1965-12-17
•
Granted: 1968-12-10
•
Expires: 1985-12-17
Abstract
No abstract record available.
Inventors
- 👤 Robert S Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:29
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1208142A
Cited
US1730042A
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US1825406A
Cited
FR791716A
Cited
FR866896A
Cited
US2864025A
Cited
US2954826A
Cited
US3227065A
Cited
US3345498A
Cited
US3355575A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |